Cultivator.



I. K. KLASSEN.

CULTIVATOR. APPLICATION FILED JULY 6, 1914. 1,137,331, Patented Apr. 27, 1915.

3 SHEETS-SHEET I.

64? o o 7 $56 Q 5 THE NORRIS PETERS c0. PHUTO-LITHOU WASHINGTON. D, C.

I. K. KLASSEN.

CULTIVATOR.

APPLICATION FILED JULY 6, l9l4.

1 1 37,33 1 Patented Apr. 27, 1915.

3 SHEETS-SHEET 2.

THE NORRIS PETERS C0 wan/4.11pm WASHINGTON. u. u

I. K. KLASSEN.

CULTIVATOR.

APPLICATION FILED JULY 6,1914.

Patented Apr. 27, 1915.

3 SHEETS-SHEET 3.

M K 3 W ISAAK K. KLASSEN, OF HAGUE, SASKATCHEWAN, CANADA.

CULTIVATOR.

Specification of Letters Patent.

Patented Apr. 27, 1915.

I Application filed July 6, 1914. Serial No. 849,247.

To aZZ whom/it may concern Be it known that I, ISAAK K. KLAssEN, of the town of Hague, in the Province of Saskatchewan, Canada, have invented cer tain new and useful Improvements in Cultivators, of which the following is the specification.

The invention relates to improvements in cultivators and the object of the invention is to provide a machine which will effectively cultivate the ground as the machine is driven over the same, the arrangement being such that the cultivator blades can be adjusted in respect to the ground and can be thrown in or out of commission as desired at the will of the attendant.

With the above object in view the invention consists essentially in the arrangement and construction of parts hereinafter more particularly described and later pointed out in the appended claims.

Figure 1 represents a side view of the complete machine. Fig. 2 represents a plan view of the same with the top of the box removed. Fig. 3 represents a longitudinal sectional view of the machine, the section being taken in the plane denotedby the line X-X and looking in the direction indicated by the arrow a Fig. 2. Fig. 4 represents a view of "the inner face of one of the traction wheels. Fig. 5 is a face view of the driving gears, the traction wheel being removed and the intermediate gear being shown in the disengaged position. Fig. 6 is a longitudinal sectional view through the box, the section being taken in the plane denoted by the line YY and looking in the direction indicated by the arrow 6 Fig. 2. Fig. 7 is a perspective view of a portion of the adjustable suspension frame.

In the drawings like characters of refer ence indicate corresponding parts in each figure.

- '1 represents a box like frame formed from side members 2 and 3, end members 4: and 5 and a top piece 6, the frame'being supported by a main drive shaft 7 passing through suitable bearings formed in the side of the box and fitted with traction wheels 8 and 9.

10 is a draft tongue supplied with draft bars 11 and 12 which are suitably fastened by pivot pins 13 and 13 to side bars 1 and 14 permanently fastened to the front end of the box.

15 is a crank shaft mounted in suitable bearings provided on the top of the box and fitted with two cranks 16 and 17, the crank 17 being connected by a link 18 to the tongue while the crank 16 is fastened by means of a link 19 to a controlling lever 20 pivotally secured at 20 to the side of the box. The lever is supplied with the usual hand latch and detent operating over a quadrant 21. By manipulating the lever one can raise or lower the forward end of the box as will readily be understood, and thereby change the pitch of the cultivator blades as later described. The drive shaft is supplied at the forward side of the box with a main drive gear 22 and an associated ratchet wheel 23, both of these being securely fastened to the shaft by means of a cotter pin 24:. The opposite end of the main shaft is fitted with a ratchet wheel 25 similar to that 23 which ratchet wheel is also fixed to the shaft. Each of the traction wheels are rotatably mounted on the ends of the drive shaft and are supplied on the inner side with opposing pairs of spring pressed dogs 26 and 27, the said dogs being designed to operate on the ratchet wheels 23 and 25 to effect the rotation of the shaft when the machine is advanced and escape over the ratchetv teeth when either of the wheels is backed.

28 is a lever arm located within the box and having the lower end pivotally secured thereto by a bolt 28 and the upper end connected by means of a link 29 to a controlling lever 80 pivotally secured to the side of the box as shown at 30. The lever is fitted with the usual hand latch and detent operating over a quadrant 31.

32 is an intermediate gear rotatably mounted on a stub shaft 33 carried by the lever arm 28, thesaid stub shaft protruding through an arcuate slot 8 1 provided in the side of the box.

35 is a pinion mounted on the stub shaft and rotatable with the intermediate gear and meshing with the drive gear.

36 is a crank shaft having the ends thereof rotatably mounted in the sides of the box, the forward end of the shaft protruding through the box and'being fitted with a pinion 37 designed to mesh with the intermediate gear. The crank shaft is supplied in the present instance with four distinct cranks 38, 39, 4:0 and 41 which drive the cultivator blades shortly described. The above construction permits the attendant to drive the crank shaft by throwing the lever 25 plates 52 forming runways.

40 or lowered as desired.

30 back so that the intermediate gear meshes with the pinion 37. He can also throw the crank shaft out of commission by advancing the lever 30 to withdraw the intermediate gear from the latter pinion, this stopping the operation of the cultivator blades.

In the forward'end of the box frame I have supplied horizontally disposed runways 42 for pairs of rollers 43 and 44, the

rollers carrying short spindles 45 to which I have connected the forward ends of similar agitating bars 46. In the present machine there are four such bars, these corresponding to the number of cranks. Each bar is connected by a link 47 to a crank of the crank shaft so that when-the crank shaft is rotated the rollers are reciprocated forwardly and backwardly in the runways.

48 is an inner adjustable suspension frame located in the rear end of the main box f and their upper ends suspended forwardly and rearwardly by pairs of hell cranks 57 and 58 pivotally secured at 59 and 60 to the sides of the box like frame. One of the bell cranks extends in a lever 61 which is fitted with the usual hand latch and detent operating over a quadrant 62. Links 63 and 64 connect the bell cranks at opposite sides of the frame so that upon the lever 61 being manipulatedthe adjustable frame is raised It is here to be noticed that the front pair of hangers 54 are slotted at 65 to receive guide pins 66.

Each of the agitating bars 46 is provided toward the rear end with an upright standard 67 which is fitted with a T-head 67 on which I have mountedrollers 68. The standards are located so that they pass between the spaces reserved between the beams 49. The pairs of rollers are arranged in the back- 60 ward movement of the agitating bars to rise on the face plates 52. 7

.Each of the beams of the adjustable frame are fitted with vertically disposed posts 69,

more or lesscentrally of their length, which carry short lengths of pivoted tracks 70,

the tracks having their rear ends riding normally on the face plates. Stationary catch plates 71 are mounted on the face plates and have offset upper ends designed to limit the upward throw of the short lengths of track.

72 are curved bars located in advance of the posts and carried by the beams. The short lengths of track and the guide bars are for the following purpose: As the rollers 68 pass back on the face plates they pass beground.

neath the lengths of track which rise to allow them to clear. In the advancement of the rollers however, the rollers are picked up by the guide tracks and raised by running over them. As they reach the forward ends of the tracks they are allowed to drop and return to the face plates. The guide plates catch the rollers after they leave the tracks and direct them, positively, downwardly to the face plates. Each of the agitating bars carries a cultivating blade 7 3 with amore or less V-shaped cutting edge, theblade being suspended from the bar in each instance by a suitable, rearwardly extending arm 74.

The machine is used in the following way, assuming the draft animals are hitched to the tongue in the usual manner and themachine pulled over the ground vto be culti-v vated: As the machine advances the cultion the face plates and are .raisedout of the running over the short lengthfof tracks. As W111 be noticed the crank shaft turns at a fairly high-rate of speed so that the soil will be actually picked up and scattered bythe soil during the interval that the rollers are blades. Ifat any time it is desired to cultivate deeper, this is accomplished by throwing the lever 61 backwardly, this causing the adjustable frame to pass closerfto" the g If it is required to'change the pitch of the cultivator-blades, that is the angle at which they enter the ground, this is effected by throwing the lever 20 forwardly or backwardly to raise or lower the front end of the box frame. c

The machine as above described is very efiicient for the purpose for which it is designed.

What I claim as my invention is 1. In a cultivator the combination with a main frame mounted on suitable traction wheels, of an adjustable frame suitably sus pended within the main frame and presenting'rear runways, a-plurality of agitating bars having their rear ends located beneath the adjustable frame and suspended from the runways and their forward ends operating in forward runways presented by the main frame, cultivator blades mounted on the under sides of the rear ends of the agitating bars,means for reciprocating the foring bars having their rear ends located beneath the inner frame and suspended from the respective runways and their forward ends mounted in longitudinally disposed forward runways presented by the forward end of the main frame, a crank shaft carried by the main frame, means actuated by one of the traction wheels for driving the crank shaft, links connecting the crank shaft with the forward ends of the agitating bars whereby the forward ends of the said agitating bars are reciprocated in the forward runways by the action of the crank shaft, cultivating blades carried by the rear ends of the agitating bars and means for raising the rear ends of the agitating bars from the rear runways in the forward movement of the bars, as and for the purpose specified.

3. In a cultivator the combination with a box like main frame mounted on suitable traction wheels, of an inner frame suspended shaft rotatably mounted in the main frame and fitted with a crank for each agitating bar, means actuated by one of the traction wheels for driving the crank shaft, connecting links connecting the respective cranks with the forward ends of the respective agitating bars whereby the reciprocation of the bars is effected in the rotation of the crank shaft, cultivator blades secured to the rear ends of the agitating bars and means for raising the rear ends of the agitating-bars in the forward stroke thereof, as and for the purpose specified.

4. In a cultivator the combination with a box like main frame mounted on suitable traction wheels, of an inner frame suspended adj ustably from the main frame and formed with a plurality of longitudinally disposed rear runways, a plurality of longitudinally disposed forward runways located in the front end of the main frame, a plurality of agitating bars having their forward ends carried by the front runways and their rear ends passing beneath the inner frame and suspended from the rear runways by rollers, a crank shaft rotatably mounted in the main frame and fitted with a crank for each agitating bar, means actuated by one of the traction wheels for driving the crank shaft,

connecting links connecting the respective cranks with the forward ends of the respective agitating bars whereby the reciprocation of the bars is effected in the rotation of the crank shaft, cultivator blades secured to the rear ends of the agitating bars and short curved lengths of tracks having their forward ends pivotally mounted and elevated above the respective rear runways and their rear ends bearing on the runways, said tracks being designed to rise and free the rollers in the back stroke of the agitating bars and to pick up the rollers from the guide ways and raise the rear ends of the agitating bars in the forward stroke thereof, as and for the purpose specified.

5, In a cultivator the combination with a box like main frame mounted on suitable traction wheels, of an inner frame suspended adjustably from the main frame and formed with a plurality of longitudinally disposed rear runways, a plurality of longitudinally disposed forward runways located in the front end of the main frame, a plurality of agitating bars having their forward ends carried by the front runways and their rear ends passing beneath the inner frame and suspended from therear runways by rollers, a crank shaft rotatably mounted in the main frame and fitted with a crank for each agitating bar, means actuated by one of the traction wheels for driving the crank shaft, connecting links connecting the respective cranks with the forward ends of the respective agitating bars whereby the reciprocation of the bars is effected in the rotation of the crank shaft, cultivator blades secured to the rear ends of the agitating bars, short curved lengths of tracks having their forward ends pivotally mounted and elevated above the respective rear runways and their rear ends bearing on the runways, said tracks being designed to rise and free the rollers in the back stroke of the agitating bars and to pick up the rollers from the guide ways ISAAK K. KLASSEN.

In the presence of- C. P. UNRU'H, LOUISE UNRUH.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

